Numbers n such that the numerator of Sum_{k=0..n} 1/k!, in reduced form, is prime.
A109621
Numbers n such that the numerator of Sum_{k=0..n} 1/k!, in reduced form, is prime.
Terms
- a(0) =1a(1) =2a(2) =5a(3) =9a(4) =24a(5) =32a(6) =321a(7) =343a(8) =352a(9) =511a(10) =685a(11) =807a(12) =966a(13) =1079a(14) =1274a(15) =1381a(16) =2016a(17) =3226a(18) =8130
External references
- oeis: A109621